HARIKRISHNA MUTHUSAMI
Dubai
Summary
AWS and HashiCorp certified Cloud & DevOps Engineer with 10 years in IT, including 5+ years specializing in automating and managing Cloud Infrastructure for Aviation (UK), Banking (USA), and Automotive (EU) leaders. Expert in IaC with Terraform and CI/CD using GitHub Actions and Jenkins across AWS and Azure. Proven record of delivering 99.9% uptime, cutting operational costs by 25%, and accelerating deployments by 80% through advanced automation and optimized architecture.
Overview
10
10
years of professional experience
2
2
Certification
Work History
Senior DevOps Engineer (Contract)
Voizzit Information Technology LLC
Dubai
04.2025 - Current
- Architected and deployed secure, scalable multi-cloud infrastructure on AWS using Terraform, managing 500+ cloud resources and standardizing provisioning through 20+ reusable modules (VPC, ECS, EKS, RDS) with consistent tagging, IAM controls, and environment separation (dev/stage/prod).
- Embedded Terraform into CI/CD (GitHub Actions, Jenkins) to enable automated infrastructure delivery and application releases, implementing blue-green deployment workflows and automated rollback to achieve zero-downtime production changes.
- Operated containerized production workloads on AWS ECS (Fargate and EC2) and improved observability by deploying Datadog via Terraform, delivering 100+ monitors, dashboards across EC2/ECS for full coverage, reducing incident MTTR by 60%.
- Automated end-to-end provisioning and scaling with Terraform using S3 + DynamoDB remote state and locking to prevent drift, cutting manual effort by 80%.
- Partnered with FinOps to optimize spend (rightsizing, tagging, and cost visibility) and reduced monthly AWS costs by 25% while maintaining or improving performance.
Cloud Senior Advisor (Contract)
NTT Data
Bangalore
11.2024 - 03.2025
- Experienced in managing Cloud and DevOps infrastructure for one of the Aviation Global Leader, focusing on high availability, compliance, and observability.
- Built 20+ reusable Terraform 'Golden Modules' for AWS major services (VPC, ECS/EKS, RDS, IAM, networking) and additional modules for Observability (Datadog monitors/dashboards, SolarWinds configurations), reducing provisioning effort by 40% and standardizing deployments.
- Integrated Terraform with GitHub Actions and Jenkins to automate daily releases, embedded IaC into team workflows to boost release quality by 30% and cut incidents.
- Implemented blue-green deployments via Terraform and Route53 weighted routing for zero-downtime production releases; added Terratest and pre-commit hooks to reduce failures by 40%.
- Deployed and operated containerized applications on Amazon ECS (Fargate and EC2), optimizing scaling and availability; automated AWS core services to reduce manual tasks by 60%.
- A global leader in IT services and consulting.
Cloud Consultant - Infrastructure
Infosys Ltd
Bangalore
09.2022 - 11.2024
- Drove one of the leading banking-sector client's Digital transformation with secured Cloud (AWS & Azure) Infrastructure Provisioning, regulatory alignment, and automated cloud deployments.
- Built tightly governed DevOps environments, enforcing strict CI/CD and Change Management protocols with Terraform-based IaC for secure, scalable, repeatable deployments.
- Administered ECS containerized applications and automated scaling, improving uptime, response times, and operational efficiency while reducing manual overhead by 60%.
- Embedded Terraform IaC into CI/CD workflows, accelerating release cycles by 30% and standardizing provisioning of core AWS services.
- Led FinOps initiatives-Instance rightsizing, Automated scheduling, and Lifecycle management-achieving a 30% monthly AWS cost reduction.
IT Analyst
Tata Consultancy Services (TCS)
Bangalore
08.2021 - 08.2022
- Delivered secure, scalable cloud platforms for banking and aviation, managing AWS services and containerized workloads on EKS/Docker; reduced provisioning time by 50% with custom AMIs and cut monthly cloud costs through targeted optimization.
- Strengthened reliability and security by implementing multi-region VPC architectures (blocking 200+ suspicious IPs) and administering 50+ S3 buckets with governance; built 100+ CloudWatch alarms/dashboards, improving monitoring and cutting load-test downtime by 35%.
Associate Consultant - Technology
Virtusa Ltd
Bangalore
04.2020 - 07.2021
- Managed AWS cloud infrastructure for Adobe Experience Manager applications, ensuring effective provisioning and monitoring.
- Automated processes using Terraform and AWS native services to enhance operational efficiency.
- Supported CI/CD pipelines, increasing deployment reliability through systematic improvements.
- Handled Problem Management to fix the recurring issues in different applications and customer incidents and Change management in the environment.
Technology Analyst - Middleware Operations
Infosys Ltd
Bangalore
10.2015 - 03.2020
- Facilitated middleware operations for enterprise applications, ensuring effective server monitoring and incident resolution.
- Created shell scripts for deploying Java packages in Apache Tomcat Servers and Apache HTTPD webservers and monitoring the server level processes and health checks of Autoline Applications.
- Optimized performance tuning to enhance application efficiency.
- Acquired foundational AWS and scripting skills, leading to opportunities in DevOps and cloud infrastructure roles.
Education
Bachelor of Engineering - Instrumentation and Control Engineering
Dr Mahalingam College of Engineering and Technology
04.2015
Skills
- AWS
- GitHub Actions
- Azure
- Terraform
- Docker
- Kubernetes
- Bitbucket
- GitLab
- Jenkins
- Rundeck
- Azure Devops
- Datadog
- SolarWinds
- Dynatrace
- Splunk
- CloudWatch
- Azure Monitor
- BASH Shell scripting
- AWS CLI
- ServiceNow
- JIRA
- CISM
- NG Autofix
- SCOM
- Linux
- Windows
Certification
- HashiCorp certified: Terraform Associate (HCTAO-003)
- AWS certified Sysops Administrator - Associate
Timeline
Senior DevOps Engineer (Contract)
Voizzit Information Technology LLC
04.2025 - Current
Cloud Senior Advisor (Contract)
NTT Data
11.2024 - 03.2025
Cloud Consultant - Infrastructure
Infosys Ltd
09.2022 - 11.2024
IT Analyst
Tata Consultancy Services (TCS)
08.2021 - 08.2022
Associate Consultant - Technology
Virtusa Ltd
04.2020 - 07.2021
Technology Analyst - Middleware Operations
Infosys Ltd
10.2015 - 03.2020
Bachelor of Engineering - Instrumentation and Control Engineering
Dr Mahalingam College of Engineering and Technology